Answer:
Step-by-step explanation:
4d-4=5d-8
add 4 to both sides
4d=5d-4
subtract 5d from both sides
-d=-4
switch so d is positive
d=4
Answer: d = 4
Step-by-step explanation:
4d - 4 = 5d - 8
+8 +8 (Add 8 to both sides)
4d + 4 = 5d
-4d -4d (Subtract 4d from both side)
d= 4
